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Heng WS, Gosens R, Kruyt FAE. Lung cancer stem cells: origin, features, maintenance mechanisms and therapeutic targeting. Biochem Pharmacol 2018; 160:121-133. [PMID: 30557553 DOI: 10.1016/j.bcp.2018.12.010] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
Abstract
Lung cancer remains the leading cause of cancer-related deaths despite recent breakthroughs in immunotherapy. The widely embraced cancer stem cell (CSC) theory has also been applied for lung cancer, postulating that an often small proportion of tumor cells with stem cell properties are responsible for tumor growth, therapeutic resistance and metastasis. The identification of these CSCs and underlying molecular maintenance mechanisms is considered to be absolutely necessary for developing therapies for their riddance, hence achieving remission. In this review, we will critically address the CSC concept in lung cancer and its advancement thus far. We will describe both normal lung stem cells and their malignant counterparts in order to identify common aspects with respect to their emergence and regulation. Subsequently, the importance of CSCs and their molecular features in lung cancers will be discussed in a preclinical and clinical context. We will highlight some examples on how lung CSCs attain stemness through different molecular modifications and cellular assistance from the tumor microenvironment. The exploitation of these mechanistic features for the development of pharmacological therapy will also be discussed. In summary, the validity of the CSC concept has been evidenced by various studies. Ongoing research to identify molecular mechanisms driving lung CSC have revealed potential new cell intrinsic as well as tumor microenvironment-derived therapeutic targets. Although successfully demonstrated in preclinical models, the clinical benefit of lung CSC targeted therapies has thus far not been demonstrated. Therefore, further research to validate the therapeutic value of CSC concept is required.
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Affiliation(s)
- Win Sen Heng
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, The Netherlands
| | - Frank A E Kruyt
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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Wang X, Lin M, Zhao J, Zhu S, Xu M, Zhou X. TSPAN7 promotes the migration and proliferation of lung cancer cells via epithelial-to-mesenchymal transition. Onco Targets Ther 2018; 11:8815-8822. [PMID: 30588007 PMCID: PMC6300375 DOI: 10.2147/ott.s167902] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE To explore the effects and mechanisms of tetraspanin TSPAN7 on the progression of non-small-cell lung cancer (NSCLC) cells. PATIENTS AND METHODS All 125 lung cancer specimens and 60 metastatic tissues were obtained from patients diagnosed with NSCLC, and we used immunohistochemistry to detect the expression of TSPAN7 in NSCLC tissues and adjacent normal tissues. Cell proliferation and invasion ability were determined by MTT, colony formation, and cell migration. The relative protein expression level was analyzed by Western blot analysis. RESULTS Our clinical data showed that among 125 patients with lung cancer, TSPAN7 was associated with lymph node status, differentiation, tumor size, and poor prognosis. TSPAN7 knockout inhibited cell proliferation and migration. In addition, TSPAN7 increased the expression of N-cadherin in NSCLC cells by reducing the expression of E-cadherin and vimentin and promoting the cell epithelial-mesenchymal transition (EMT) process. Xenograft transplantation model confirmed the role of TSPAN7 in NSCLC metastasis. CONCLUSION TSPAN7-mediated EMT is the key to NSCLC migration. TSPAN7 is a potential target for NSCLC therapy.
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Affiliation(s)
- Xianguo Wang
- Thoracic and Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuchang District, Wuhan, Hubei 430071, China,
| | - Min Lin
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jinping Zhao
- Thoracic and Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuchang District, Wuhan, Hubei 430071, China,
| | - Shaoping Zhu
- Thoracic and Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuchang District, Wuhan, Hubei 430071, China,
| | - Ming Xu
- Thoracic and Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuchang District, Wuhan, Hubei 430071, China,
| | - Xuefeng Zhou
- Thoracic and Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuchang District, Wuhan, Hubei 430071, China,
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Lu C, Yang Z, Jiang S, Yang Y, Han Y, Lv J, Li T, Chen F, Yu Y. Forkhead box O4 transcription factor in human neoplasms: Cannot afford to lose the novel suppressor. J Cell Physiol 2018; 234:8647-8658. [PMID: 30515801 DOI: 10.1002/jcp.27853] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 11/12/2018] [Indexed: 12/13/2022]
Abstract
Forkhead box O4 (FOXO4), a member of FOXO family, has been highlighted as an essential transcriptional regulator in many diverse carcinomas. Accumulated studies have demonstrated that FOXO4 is downregulated and associated with tumorigenesis, invasiveness, and metastasis of most human cancer. FOXO4 alteration is also closely linked to the prognosis of various types of cancer. The aim of this review is to comprehensively present the clinical and pathological significance of FOXO4 in human cancer. Additionally, the potential clinical applications of future FOXO4 research are discussed. Collectively, the information reviewed here should increase the potential of FOXO4 as a therapeutic target for cancer.
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Affiliation(s)
- Chenxi Lu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Zhi Yang
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Shuai Jiang
- Department of Aerospace Medicine, The Fourth Military Medical University, Xi'an, China
| | - Yang Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Yuehu Han
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Jianjun Lv
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Tian Li
- School of Basic Medicine, The Fourth Military Medical University, Xi'an, China
| | - Fulin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Yuan Yu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
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He X, Chen SY, Yang Z, Zhang J, Wang W, Liu MY, Niu Y, Wei XM, Li HM, Hu WN, Sun GG. miR-4317 suppresses non-small cell lung cancer (NSCLC) by targeting fibroblast growth factor 9 (FGF9) and cyclin D2 (CCND2). JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:230. [PMID: 30227870 PMCID: PMC6145328 DOI: 10.1186/s13046-018-0882-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 08/16/2018] [Indexed: 12/31/2022]
Abstract
Background Non-small cell lung cancer (NSCLC) is a leading cause of death worldwide. MicroRNAs (miRNAs) have been indicated as crucial actors in cancer biology. Accumulating evidence suggests that miRNAs can be used as diagnostic and prognostic markers for NSCLC. Methods The purpose of this study was to characterize and identify the novel biomarker miR-4317 and its targets in NSCLC. The expression of miR-4317 was analyzed by in situ hybridization (ISH) and quantitative reverse transcription polymerase chain reaction (qRT-PCR). The effect of miR-4317 on proliferation was evaluated through 3–4,5-dimethylthiazol-2-yl-5-3–carboxymethoxyphenyl-2-4-sulfophenyl-2H-tetrazolium (MTS) and colony formation assays, and cell migration and invasion were evaluated through transwell assays. The expression of target proteins and downstream molecules was analyzed by qRT-PCR and western blot. Dual-luciferase reporter assay was used to assess the target genes of miR4317 in NSCLC cells. Results Our results demonstrated that miR-4317 was downregulated in NSCLC tissues and serum, particularly in lymph node metastasis and advanced clinical stage tissues. Kaplan-Meier survival analysis showed that NSCLC patients with high expression of miR-4317 exhibited better overall survival (OS). Enhanced expression of miR-4317 significantly inhibited proliferation, colony formation, migration and invasion, and hampered cycles of NSCLC cell lines in vitro. Our results suggested that miR-4317 functions by directly targeting fibroblast growth factor 9 (FGF9) and cyclin D2 (CCND2). In concordance with in vitro studies, mouse xenograft, lung, and brain metastatic studies validated that miR-4317 functions as a potent suppressor miRNA of NSCLC in vivo. Systemically delivered agomiR-4317 reduced tumor growth and inhibited FGF9 and CCND2 protein expression. Reintroduction of FGF9 and CCND2 attenuated miR-4317-mediated suppression of migration and invasion in NSCLC. Conclusions Our results indicate that miR-4317 can reduce NSCLC cell growth and metastasis by targeting FGF9 and CCND2. These findings provide new evidence of miR-4317 as a potential non-invasive biomarker and therapeutic target for NSCLC. Electronic supplementary material The online version of this article (10.1186/s13046-018-0882-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xi He
- Department of Thoracic Surgery, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Si-Yuan Chen
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Zhao Yang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Jie Zhang
- Department of Pathology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Wei Wang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Mei-Yue Liu
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Yi Niu
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Xiao-Mei Wei
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Hong-Min Li
- Department of Pathology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Wan-Ning Hu
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China.
| | - Guo-Gui Sun
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China.
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Expression of microRNA-150 and its Target Gene IGF2BP1 in Human Osteosarcoma and their Clinical Implications. Pathol Oncol Res 2018; 25:527-533. [PMID: 30220021 PMCID: PMC6449306 DOI: 10.1007/s12253-018-0454-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 07/10/2018] [Indexed: 11/04/2022]
Abstract
Previous study revealed that microRNA (miR)-150 might function as a tumor suppressor in osteosarcoma partially by targeting Insulin-Like Growth Factor 2 mRNA-Binding Protein 1 (IGF2BP1). The aim of this study was to investigate the clinical significance of miR-150-IGF2BP1 axis in human osteosarcoma which remains unclear. At first, expression levels of miR-150, and IGF2BP1 mRNA and protein in 20 osteosarcoma and matched adjacent noncancerous tissues were respectively detected by quantitative real-time PCR and western blot analyses. Then, subcellular localization and expression pattern of IGF2BP1 protein in 100 osteosarcoma tissues were examined by immunohistochemistry. Associations of miR-150/IGF2BP1 expression with various clinicopathological features and patients’ prognosis were also statistically evaluated. As a result, miR-150 expression was significantly decreased, while IGF2BP1 mRNA and protein expression were dramatically increased in osteosarcoma tissues compared to matched adjacent noncancerous tissues (all P < 0.001). Immunostaining of IGF2BP1 protein was localized in cytoplasm of tumor cells in osteosarcoma tissues. Statistically, low miR-150 expression and/or high IGF2BP1 protein immunoreactive score were all significantly associated with high tumor grade, presence of metastasis and recurrence, as well as poor response to chemotherapy (all P < 0.05). Moreover, miR-150, IGF2BP1 and combined miR-150/IGF2BP1 expressions were all identified as independent prognostic factors for overall and disease-free survivals of osteosarcoma patients (all P < 0.05). In conclusion, our data suggest that miR-150 and its downstream target IGF2BP1 may be a crucial axis for the development, progression and patients’ prognosis of ostesarcoma. The newly identified miR-150/IGF2BP1 axis might be a novel potential therapeutic target for osteosarcoma treatment.
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RKIP: A Key Regulator in Tumor Metastasis Initiation and Resistance to Apoptosis: Therapeutic Targeting and Impact. Cancers (Basel) 2018; 10:cancers10090287. [PMID: 30149591 PMCID: PMC6162400 DOI: 10.3390/cancers10090287] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/12/2018] [Accepted: 08/18/2018] [Indexed: 02/07/2023] Open
Abstract
RAF-kinase inhibitor protein (RKIP) is a well-established tumor suppressor that is frequently downregulated in a plethora of solid and hematological malignancies. RKIP exerts antimetastatic and pro-apoptotic properties in cancer cells, via modulation of signaling pathways and gene products involved in tumor survival and spread. Here we review the contribution of RKIP in the regulation of early metastatic steps such as epithelial–mesenchymal transition (EMT), migration, and invasion, as well as in tumor sensitivity to conventional therapeutics and immuno-mediated cytotoxicity. We further provide updated justification for targeting RKIP as a strategy to overcome tumor chemo/immuno-resistance and suppress metastasis, through the use of agents able to modulate RKIP expression in cancer cells.
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57
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Jiang S, Yang Z, Di S, Hu W, Ma Z, Chen F, Yang Y. Novel role of forkhead box O 4 transcription factor in cancer: Bringing out the good or the bad. Semin Cancer Biol 2018; 50:1-12. [DOI: 10.1016/j.semcancer.2018.04.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 04/28/2018] [Indexed: 10/17/2022]
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58
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Crosstalk between Hedgehog pathway and energy pathways in human adipose-derived stem cells: A deep sequencing analysis of polysome-associated RNA. Sci Rep 2018; 8:8411. [PMID: 29849100 PMCID: PMC5976649 DOI: 10.1038/s41598-018-26533-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 05/14/2018] [Indexed: 12/19/2022] Open
Abstract
Adult stem cells are considered promising candidates for cellular therapies due to their capacity to differentiate and self-renew. Differentiation leads to changes in the metabolism, structure, and gene expression patterns of cells. Hedgehog is one of the pathways that is involved in the enhancement of osteogenesis and chondrogenesis in adult stem cells, but its mechanisms are poorly understood. In this study, we treated adipose tissue-derived stem cells (ADSC) with two well-characterized drugs, purmorphamine (Hedgehog pathway activator) and cyclopamine (Hedgehog pathway inhibitor), and identified mRNAs associated with polysomes in each treatment group to determine the post transcriptional genetic networks governed by the Hedgehog pathway. Activation of the Hedgehog pathway by purmorphamine results in significant upregulation of mRNAs associated with cellular communication and signal transduction. Furthermore, our experiments show that cyclopamine acts late downregulating GLI1 expression in ADSCs but promotes the upregulation of mRNAs associated with energy pathways and metabolism at early times. Through in silico analysis, we identified some miRNAs, such as miR-355, that could regulate these mRNAs association with polysomes and thereby modulate the Hedgehog pathway. Our results suggest that activation of the Hedgehog pathway by purmorphamine also results in a negative regulation of mRNAs in the protein translation machinery.
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59
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Tang W, Xu P, Wang H, Niu Z, Zhu D, Lin Q, Tang L, Ren L. MicroRNA-150 suppresses triple-negative breast cancer metastasis through targeting HMGA2. Onco Targets Ther 2018; 11:2319-2332. [PMID: 29731640 PMCID: PMC5923219 DOI: 10.2147/ott.s161996] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Background Growing evidence suggests that miR-150 plays an inhibitory role in various types of cancer. However, the function and underlying mechanisms of miR-150 in triple-negative breast cancer (TNBC) remain unknown. Patients and methods miR-150 expression was detected by qRT-PCR and ISH in TNBC tumor and adjacent normal breast tissues. miR-150 function was analyzed by wound healing and transwell assay in vitro and mouse lung metastasis model in vivo. mRNA microarray, qRT-PCR, western blotting and luciferase assay were used to identify the target gene of miR-150. HMGA2 over-expression plasmid was co-transfected with miR-150 to study the role of miR-150 through regulating HMGA2. Results We found that miR-150 was down-regulated in TNBC tumor tissues compared to corresponding adjacent, normal breast tissues, and was correlated with decreased lymph-node metastasis. Ectopic expression of miR-150 suppressed TNBC cell migration in vitro and metastasis in vivo. Mechanistic study revealed that miR-150 down-regulates HMGA2 by directly targeting its mRNA. Moreover, the suppression of cell migration caused by miR-150 is relieved by over-expression of HMGA2, suggesting that miR-150 inhibits migration of TNBC cells by down-regulating HMGA2. Conclusion This work indicates that the miR-150/HMGA2 axis may serve as a treatment marker in TNBC.
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Affiliation(s)
- Wentao Tang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Pingping Xu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hong Wang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhengchuan Niu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Dexiang Zhu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qi Lin
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Liming Tang
- Department of General Surgery, Affiliated Changzhou No 2 People's Hospital, Nanjing Medical University, Changzhou, China
| | - Li Ren
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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60
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Zaporozhchenko IA, Morozkin ES, Ponomaryova AA, Rykova EY, Cherdyntseva NV, Zheravin AA, Pashkovskaya OA, Pokushalov EA, Vlassov VV, Laktionov PP. Profiling of 179 miRNA Expression in Blood Plasma of Lung Cancer Patients and Cancer-Free Individuals. Sci Rep 2018; 8:6348. [PMID: 29679068 PMCID: PMC5910392 DOI: 10.1038/s41598-018-24769-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 02/26/2018] [Indexed: 12/17/2022] Open
Abstract
Lung cancer is one of major cancers, and survival of lung cancer patients is dictated by the timely detection and diagnosis. Cell-free circulating miRNAs were proposed as candidate biomarkers for lung cancer. These RNAs are frequently deregulated in lung cancer and can persist in bodily fluids for extended periods of time, shielded from degradation by membrane vesicles and biopolymer complexes. To date, several groups reported the presence of lung tumour-specific subsets of miRNAs in blood. Here we describe the profiling of blood plasma miRNAs in lung cancer patients, healthy individuals and endobronchitis patients using miRCURY LNA miRNA qPCR Serum/Plasma Panel (Exiqon). From 241 ratios differently expressed between cancer patients and healthy individuals 19 miRNAs were selected for verification using the same platform. LASSO-penalized logistic regression model, including 10 miRNA ratios comprised of 14 individual miRNAs discriminated lung cancer patients from both control groups with AUC of 0.979.
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Affiliation(s)
- Ivan A Zaporozhchenko
- Laboratory of Molecular Medicine, SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia. .,Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia.
| | - Evgeny S Morozkin
- Laboratory of Molecular Medicine, SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia.,Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Anastasia A Ponomaryova
- Laboratory of Molecular Oncology and Immunology, RAMS Tomsk Cancer Research Institute, Tomsk, Russia.,Department of Applied Physics, National Research Tomsk Polytechnic University, Tomsk, Russia
| | - Elena Y Rykova
- Laboratory of Molecular Medicine, SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia.,Department of engineering problems in ecology, Novosibirsk State Technical University, Novosibirsk, Russia
| | - Nadezhda V Cherdyntseva
- Laboratory of Molecular Oncology and Immunology, RAMS Tomsk Cancer Research Institute, Tomsk, Russia.,Laboratory for Translational Cell and Molecular Biomedicine, National Research Tomsk State University, Tomsk, Russia
| | - Aleksandr A Zheravin
- Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Oksana A Pashkovskaya
- Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Evgeny A Pokushalov
- Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia
| | - Valentin V Vlassov
- Laboratory of Molecular Medicine, SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Pavel P Laktionov
- Laboratory of Molecular Medicine, SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia.,Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, Novosibirsk, Russia
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Liu M, Zhang Y, Zhang J, Cai H, Zhang C, Yang Z, Niu Y, Wang H, Wei X, Wang W, Gao P, Li H, Zhang J, Sun G. MicroRNA-1253 suppresses cell proliferation and invasion of non-small-cell lung carcinoma by targeting WNT5A. Cell Death Dis 2018; 9:189. [PMID: 29415994 PMCID: PMC5833797 DOI: 10.1038/s41419-017-0218-x] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/25/2017] [Accepted: 12/12/2017] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNA) are a class of small, noncoding RNA molecules that regulate the expression of target genes. miRNA dysregulation is involved in carcinogenesis and tumor progression. In this study, we identified microRNA-1253 (miR-1253) as being significantly down-regulated in non-small-cell lung carcinoma (NSCLC) tissues and associated with advanced clinical stage, lymph node metastasis, and poor survival. The enhanced expression of miR-1253 significantly inhibited the proliferation, migration, and invasion of NSCLC cells in vitro. Bioinformatics analyses showed that miR-1253 directly targeted WNT5A (long isoform), which was confirmed using the dual-luciferase reporter assay. The inhibitory effects of miR-1253 on the growth and metastasis of NSCLC cells were attenuated and phenocopied by WNT5A (long) overexpression and knockdown, respectively. Consistent with the in vitro results, subcutaneous tumor and metastatic NSCLC mouse models showed that miR-1253 functions as a potent suppressor of NSCLC in vivo. Taken together, our findings indicated that miR-1253 inhibited the proliferation and metastasis of NSCLC cells by targeting WNT5A (long isoform) and provided new evidence of miR-1253 as a potential therapeutic target in NSCLC.
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Affiliation(s)
- Meiyue Liu
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Yue Zhang
- Department of Nuclear Medicine, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China
| | - Jie Zhang
- Department of Pathology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Haifeng Cai
- Department of Breast Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Chao Zhang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Zhao Yang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Yi Niu
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Huan Wang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Xiaomei Wei
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Wei Wang
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Peng Gao
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Hongmin Li
- Department of Pathology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China
| | - Jinghua Zhang
- Department of Breast Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China.
| | - Guogui Sun
- Department of Radiation Oncology, North China University of Science and Technology Affiliated People's Hospital, Tangshan, 063000, China.
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Ma Z, Xin Z, Hu W, Jiang S, Yang Z, Yan X, Li X, Yang Y, Chen F. Forkhead box O proteins: Crucial regulators of cancer EMT. Semin Cancer Biol 2018; 50:21-31. [PMID: 29427645 DOI: 10.1016/j.semcancer.2018.02.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 12/02/2017] [Accepted: 02/05/2018] [Indexed: 12/12/2022]
Abstract
The epithelial-mesenchymal transition (EMT) is an acknowledged cellular transition process in which epithelial cells acquire mesenchymal-like properties that endow cancer cells with increased migratory and invasive behavior. Forkhead box O (FOXO) proteins have been shown to orchestrate multiple EMT-associated pathways and EMT-related transcription factors (EMT-TFs), thereby modulating the EMT process. The focus of the current review is to evaluate the latest research progress regarding the roles of FOXO proteins in cancer EMT. First, a brief overview of the EMT process in cancer and a general background on the FOXO family are provided. Next, we present the interactions between FOXO proteins and multiple EMT-associated pathways during malignancy development. Finally, we propose several novel potential directions for future research. Collectively, the information compiled herein should serve as a comprehensive repository of information on this topic and should aid in the design of additional studies and the future development of FOXO proteins as therapeutic targets.
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Affiliation(s)
- Zhiqiang Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an 710069 China; Department of Thoracic Surgery, Tangdu Hospital, The Fourth Military Medical University, 1 Xinsi Road, Xi'an 710038, China
| | - Zhenlong Xin
- Department of Occupational and Environmental Health and The Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China
| | - Wei Hu
- Department of Immunology, The Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China
| | - Shuai Jiang
- Department of Aerospace Medicine, The Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China
| | - Zhi Yang
- Department of Biomedical Engineering, The Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China
| | - Xiaolong Yan
- Department of Thoracic Surgery, Tangdu Hospital, The Fourth Military Medical University, 1 Xinsi Road, Xi'an 710038, China
| | - Xiaofei Li
- Department of Thoracic Surgery, Tangdu Hospital, The Fourth Military Medical University, 1 Xinsi Road, Xi'an 710038, China
| | - Yang Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an 710069 China; Department of Biomedical Engineering, The Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China.
| | - Fulin Chen
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, 229 Taibai North Road, Xi'an 710069 China.
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Wiemer EAC. Prognostic Circulating MicroRNA Biomarkers in Early-Stage Non-Small Cell Lung Cancer: A Role for miR-150. Clin Pharmacol Ther 2017; 103:968-970. [PMID: 29285749 DOI: 10.1002/cpt.972] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 11/21/2017] [Accepted: 11/28/2017] [Indexed: 12/17/2022]
Abstract
Circulating microRNA biomarkers can be indicators of early-stage non-small cell lung cancer (NSCLC) but may also hold prognostic value. The ability to predict prognosis of early-stage NSCLC is important, as it may potentially impact patient outcome. Studies to define these prognostic microRNA biomarkers are urgently needed. Also, insight into the biological significance of the microRNA biomarker in the cancer cell-and within the tumor-may reveal novel and therapeutically interesting signaling networks.
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Affiliation(s)
- Erik A C Wiemer
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus Medical Center, Rotterdam, The Netherlands
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64
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Bai D, Sun H, Wang X, Lou H, Zhang J, Wang X, Jiang L. MiR-150 Inhibits Cell Growth In Vitro and In Vivo by Restraining the RAB11A/WNT/β-Catenin Pathway in Thyroid Cancer. Med Sci Monit 2017; 23:4885-4894. [PMID: 29023429 PMCID: PMC5649516 DOI: 10.12659/msm.906997] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background Emerging evidence has shown that downregulation or upregulation of microRNAs (miRNAs) plays an important role in the development and progression of thyroid cancer (TC). However, the potential role of miR-150 and its biological function in TC remains largely unclear. Material/Methods Real-time polymerase chain reaction (RT-qPCR) was employed to detect the expression level of miR-150 and RAB11A in human TC tissue and human normal thyroid tissue. MTT assay, colony formation assay, flow cytometry cell cycle, and apoptosis assay were used to investigate the role of miR-150 and RAB11A on the malignant phenotypes in vitro. Nude mouse xenograft assay and western blot assay was used to verify the function of miR-150 in vivo. Western blot assay and immunofluorescence assay were used to detect the activation of WNT/β-catenin pathway mediated by miR-150 and RAB11A. EGFP reporter assay, RT-qPCR assay, and western blot assay were used to validate the regulation relationship. Results This study demonstrated that miR-150 expression in human TC tissues was markedly downregulated. Moreover, overexpression of miR-150 markedly inhibited cell proliferation via inducing the cell cycle arrest and promoting cell apoptosis by directly targeting RAB11A in vitro and suppressing tumor growth in vivo. However, overexpression of RAB11A promoted cell malignant phenotypes. In addition, miR-150 restrained the RAB11A mediated WNT/β-catenin activation in TC cells. Conclusions miR-150 may function as a suppressor gene in TC cells by inhibiting the RAB11A/WNT/β-catenin pathway.
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Affiliation(s)
- Dongfang Bai
- Department of Endocrinology, Qilu Hospital, Shandong University, Jinan, Shandong, China (mainland).,Department of Endocrinology, Tai'an Central Hospital, Tai'an, Shandong, China (mainland)
| | - Haipeng Sun
- Department of Emergency, Tai'an Central Hospital, Tai'an, Shandong, China (mainland)
| | - Xiaodong Wang
- Department of Nephrology, Tai'an Central Hospital, Tai'an, Shandong, China (mainland)
| | - Hongliang Lou
- Department of Ultrasound, People's Hospital of Dongping, Tai'an, Shandong, China (mainland)
| | - Jian Zhang
- Department of Endocrinology, Tai'an Central Hospital, Tai'an, Shandong, China (mainland)
| | - Xiaohong Wang
- Department of Gastroenterology, Tai'an Central Hospital, Tai'an, Shandong, China (mainland)
| | - Ling Jiang
- Department of Endocrinology, Qilu Hospital, Shandong University, Jinan, Shandong, China (mainland)
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65
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miR-143 and miR-145 inhibit gastric cancer cell migration and metastasis by suppressing MYO6. Cell Death Dis 2017; 8:e3101. [PMID: 29022908 PMCID: PMC5682659 DOI: 10.1038/cddis.2017.493] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 08/26/2017] [Accepted: 08/28/2017] [Indexed: 01/07/2023]
Abstract
Metastasis is a major clinical obstacle responsible for the high mortality and poor prognosis of gastric cancer (GC). MicroRNAs (miRNAs) are critical mediators of metastasis that act by modulating their target genes. In this study, we found that miR-143 and miR-145 act via a common target gene, MYO6, to regulate the epithelial–mesenchymal transition (EMT) and inhibit metastasis. We determined that miR-143 and miR-145 were downregulated in GC, and the ectopic expression of miR-143 and/or miR-145 inhibited GC cell migration and metastasis. Furthermore, MYO6 was identified as a direct common target of miR-143 and miR-145 and was elevated in GC. Silencing of MYO6 resulted in a metastasis-suppressive activity similar to that of miR-143 and miR-145, while restoring MYO6 attenuated the anti-metastatic or anti-EMT effects caused by miR-143 and miR-145. Clinically, an inverse correlation was observed between miR-143/145 levels and MYO6 levels in GC tissues, and either miR-143/145 downregulation or MYO6 upregulation was associated with more malignant phenotypes in patients with GC. In conclusion, miR-143 and miR-145 suppress GC cell migration and metastasis by inhibiting MYO6 expression and the EMT, which provides a novel mechanism and promising therapeutic target for the treatment of GC metastasis.
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66
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Ji LJ, Shi J, Lu JM, Huang QM. MiR-150 alleviates neuropathic pain via inhibiting toll-like receptor 5. J Cell Biochem 2017; 119:1017-1026. [PMID: 28685867 DOI: 10.1002/jcb.26269] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 07/06/2017] [Indexed: 12/30/2022]
Abstract
MicroRNAs (miRNAs) are reported as vital participators in the pathophysiological course of neuropathic pain. However, the underlying mechanisms of the functional roles of miRNAs in neuropathic pain are largely unknown. This study was designed to explore the potential role of miR-150 in regulating the process of neuropathic pain in a rat model established by chronic sciatic nerve injury (CCI). Overexpression of miR-150 greatly alleviated neuropathic pain development and reduced inflammatory cytokine expression, including COX-2, interleukin IL-6, and tumor necrosis factor (TNF)-α in CCI rats. By bioinformatic analysis, 3'-untranslated region (UTR) of Toll-like receptor (TLR5) was predicted to be a target of miR-150. TLR5 commonly serves as an important regulator of inflammation. Overexpression of miR-150 significantly suppressed the expression of TLR5 in vitro and in vivo. Furthermore, upregulation of TLR5 decreased the miR-150 expression and downregulation of TLR5 increased miR-150, respectively. Overexpression of TLR5 significantly reversed the miR-150-induced suppressive effects on neuropathic pain. In conclusion, our current study indicates that miR-150 may inhibit neuropathic pain development of CCI rats through inhibiting TLR5-mediated neuroinflammation. Our findings suggest that miR-150 may provide a novel therapeutic target for neuropathic pain treatment.
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Affiliation(s)
- Li-Juan Ji
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jing Shi
- Geriatric Department,The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing-Min Lu
- Department of Neurology, Huai'an Second People's Hospital, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an, China
| | - Qiang-Min Huang
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
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67
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Targeting epithelial-mesenchymal plasticity in cancer: clinical and preclinical advances in therapy and monitoring. Biochem J 2017; 474:3269-3306. [PMID: 28931648 DOI: 10.1042/bcj20160782] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/01/2017] [Accepted: 08/07/2017] [Indexed: 02/07/2023]
Abstract
The concept of epithelial-mesenchymal plasticity (EMP), which describes the dynamic flux within the spectrum of phenotypic states that invasive carcinoma cells may reside, is being increasingly recognised for its role in cancer progression and therapy resistance. The myriad of events that are able to induce EMP, as well as the more recently characterised control loops, results in dynamic transitions of cancerous epithelial cells to more mesenchymal-like phenotypes through an epithelial-mesenchymal transition (EMT), as well as the reverse transition from mesenchymal phenotypes to an epithelial one. The significance of EMP, in its ability to drive local invasion, generate cancer stem cells and facilitate metastasis by the dissemination of circulating tumour cells (CTCs), highlights its importance as a targetable programme to combat cancer morbidity and mortality. The focus of this review is to consolidate the existing knowledge on the strategies currently in development to combat cancer progression via inhibition of specific facets of EMP. The prevalence of relapse due to therapy resistance and metastatic propensity that EMP endows should be considered when designing therapy regimes, and such therapies should synergise with existing chemotherapeutics to benefit efficacy. To further improve upon EMP-targeted therapies, it is imperative to devise monitoring strategies to assess the impact of such treatments on EMP-related phenomenon such as CTC burden, chemosensitivity/-resistance and micrometastasis in patients.
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68
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Wang J, Li W, Zhao Y, Kang D, Fu W, Zheng X, Pang X, Du G. Members of FOX family could be drug targets of cancers. Pharmacol Ther 2017; 181:183-196. [PMID: 28830838 DOI: 10.1016/j.pharmthera.2017.08.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
FOX families play important roles in biological processes, including metabolism, development, differentiation, proliferation, apoptosis, migration, invasion and longevity. Here we are focusing on roles of FOX members in cancers, FOX members and drug resistance, FOX members and stem cells. Finally, FOX members as drug targets of cancer treatment were discussed. Future perspectives of FOXC1 research were described in the end.
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Affiliation(s)
- Jinhua Wang
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China; Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Wan Li
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Ying Zhao
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - De Kang
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Weiqi Fu
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Xiangjin Zheng
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Xiaocong Pang
- Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China
| | - Guanhua Du
- The State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China; Key Laboratory of Drug Target Research and Drug Screen, Institute of Materia Medica, Chinese Academy of Medical Science and Peking Union Medical College, 100050 Beijing, China.
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69
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Klymenko Y, Kim O, Stack MS. Complex Determinants of Epithelial: Mesenchymal Phenotypic Plasticity in Ovarian Cancer. Cancers (Basel) 2017; 9:cancers9080104. [PMID: 28792442 PMCID: PMC5575607 DOI: 10.3390/cancers9080104] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/02/2017] [Accepted: 08/06/2017] [Indexed: 02/07/2023] Open
Abstract
Unlike most epithelial malignancies which metastasize hematogenously, metastasis of epithelial ovarian cancer (EOC) occurs primarily via transcoelomic dissemination, characterized by exfoliation of cells from the primary tumor, avoidance of detachment-induced cell death (anoikis), movement throughout the peritoneal cavity as individual cells and multi-cellular aggregates (MCAs), adhesion to and disruption of the mesothelial lining of the peritoneum, and submesothelial matrix anchoring and proliferation to generate widely disseminated metastases. This exceptional microenvironment is highly permissive for phenotypic plasticity, enabling mesenchymal-to-epithelial (MET) and epithelial-to-mesenchymal (EMT) transitions. In this review, we summarize current knowledge on EOC heterogeneity in an EMT context, outline major regulators of EMT in ovarian cancer, address controversies in EMT and EOC chemoresistance, and highlight computational modeling approaches toward understanding EMT/MET in EOC.
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Affiliation(s)
- Yuliya Klymenko
- Department of Chemistry and Biochemistry, Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA.
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA.
| | - Oleg Kim
- Department of Applied and Computational Mathematics and Statistics, Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA.
- Department of Mathematics, University of California Riverside, Riverside, CA 92521, USA.
| | - M Sharon Stack
- Department of Chemistry and Biochemistry, Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46617, USA.
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70
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Role of Forkhead Box Class O proteins in cancer progression and metastasis. Semin Cancer Biol 2017; 50:142-151. [PMID: 28774834 DOI: 10.1016/j.semcancer.2017.07.007] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 07/24/2017] [Accepted: 07/30/2017] [Indexed: 01/10/2023]
Abstract
It is now widely accepted that several gene alterations including transcription factors are critically involved in cancer progression and metastasis. Forkhead Box Class O proteins (FoxOs) including FoxO1/FKHR, FoxO3/FKHRL1, FoxO4/AFX and FoxO6 transcription factors are known to play key roles in proliferation, apoptosis, metastasis, cell metabolism, aging and cancer biology through their phosphorylation, ubiquitination, acetylation and methylation. Though FoxOs are proved to be mainly regulated by upstream phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3 K)/Akt signaling pathway, the role of FoxOs in cancer progression and metastasis still remains unclear so far. Thus, with previous experimental evidences, the present review discussed the role of FoxOs in association with metastasis related molecules including cannabinoid receptor 1 (CNR1), Cdc25A/Cdk2, Src, serum and glucocorticoid inducible kinases (SGKs), CXCR4, E-cadherin, annexin A8 (ANXA8), Zinc finger E-box-binding homeobox 2 (ZEB2), human epidermal growth factor receptor 2 (HER2) and mRNAs such as miR-182, miR-135b, miR-499-5p, miR-1274a, miR-150, miR-34b/c and miR-622, subsequently analyzed the molecular mechanism of some natural compounds targeting FoxOs and finally suggested future research directions in cancer progression and metastasis.
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71
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Zhou F, Nie L, Feng D, Guo S, Luo R. MicroRNA-379 acts as a tumor suppressor in non-small cell lung cancer by targeting the IGF‑1R-mediated AKT and ERK pathways. Oncol Rep 2017; 38:1857-1866. [PMID: 28731178 DOI: 10.3892/or.2017.5835] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 07/07/2017] [Indexed: 12/12/2022] Open
Abstract
Lung cancer is one of the most common types of malignancy in humans and is a leading cause of cancer-related deaths among men and women worldwide. Aberrantly expressed microRNAs in non-small cell lung cancer (NSCLC) contribute to tumor occurrence and development as either tumor suppressors or promoters. MicroRNA-379 (miR‑379) is dysregulated in several types of human cancer. However, its expression pattern, role and underlying mechanism in NSCLC progression and metastasis are poorly understood. In this study, assay of reverse transcription-quantitative polymerase chain reaction showed that miR‑379 was downregulated in both NSCLC tissue and cell lines. Low miR‑379 expression in NSCLC tissues was significantly correlated with TNM stage and lymph node metastasis. In addition, functional experiments revealed that restoring the expression of miR‑379 inhibited cell proliferation, migration and invasion of NSCLC. The insulin-like growth factor receptor-1 (IGF‑1R) was identified as a direct target of miR‑379 in NSCLC. IGF‑1R was highly expressed in NSCLC tissues and inversely correlated with miR‑379 expression. Downregulation of IGF‑1R had tumor suppressive roles similar to that of miR‑379 overexpression on NSCLC cell proliferation, migration and invasion. Moreover, the upregulation of IGF‑1R effectively rescued the tumor suppressive roles induced by miR‑379 overexpression in NSCLC. The resumption of the expression of miR‑379 inhibited the activation of AKT and ERK signaling pathways in NSCLC. These findings suggested that miR‑379 acts as a tumor suppressor in NSCLC by directly targeting IGF‑1R and indirectly regulating AKT and ERK signaling pathways. miR‑379 provides novel therapeutic targets for the treatment of patients with this disease.
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Affiliation(s)
- Fangzheng Zhou
- Department of Oncology, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei 441399, P.R. China
| | - Long Nie
- Department of Oncology, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei 441399, P.R. China
| | - Dali Feng
- Department of Radiotherapy and Chemotherapy, The Second People's Hospital of Yichang, Yichang, Hubei 43000, P.R. China
| | - Siyan Guo
- Department of Oncology, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei 441399, P.R. China
| | - Ren'na Luo
- Department of Oncology, Suizhou Hospital, Hubei University of Medicine, Suizhou, Hubei 441399, P.R. China
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